45369220 has 48 divisors (see below), whose sum is σ = 103215168. Its totient is φ = 16652160.

The previous prime is 45369217. The next prime is 45369221. The reversal of 45369220 is 2296354.

It is a super-2 number, since 2×45369220² = 4116732246816800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45369221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54447 + ... + 55273.

It is an arithmetic number, because the mean of its divisors is an integer number (2150316).

Almost surely, 2^45369220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45369220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51607584).

45369220 is an abundant number, since it is smaller than the sum of its proper divisors (57845948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45369220 is a wasteful number, since it uses less digits than its factorization.

45369220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 45369220 is about 6735.6677471502. The cubic root of 45369220 is about 356.6594790916.

The spelling of 45369220 in words is "forty-five million, three hundred sixty-nine thousand, two hundred twenty".